• Oct 7, 2025 sustainability in luxury fashion business springe as a trend but as a core value to ensure long-term relevance and ethical integrity. This article explores the multifaceted approach luxury brands are adopting to integrate sustainability into their b By Tom Fisher
• May 3, 2026 reciprocity laws from euler to eisenstein springe to Gauss Euler’s Early Contributions Leonhard Euler, one of history’s most prolific mathematicians, laid foundational stones for reciprocity laws through his work on quadratic residues. In the mid-18th century, Euler investigated the properties of quadratic residues modulo prime By Nadine Bode
